CVE-2025-46420— Libsoup: memory leak on soup_header_parse_quality_list() via soup-headers.c
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 18
I. Basic Information for CVE-2025-46420
Vulnerability Information
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Vulnerability Title
Libsoup: memory leak on soup_header_parse_quality_list() via soup-headers.c
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in libsoup. It is vulnerable to memory leaks in the soup_header_parse_quality_list() function when parsing a quality list that contains elements with all zeroes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
libsoup 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libsoup是GNOME项目的一款GNOME的HTTP客户端/服务器库。 libsoup存在安全漏洞，该漏洞源于soup_header_parse_quality_list函数解析全零质量列表时存在内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | - | 0 ~ 3.6.3 | - | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:2.62.3-8.el8_10 ~ * | cpe:/a:redhat:enterprise_linux:8::appstream | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:2.62.3-8.el8_10 ~ * | cpe:/a:redhat:enterprise_linux:8::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:2.62.3-1.el8_2.4 ~ * | cpe:/a:redhat:rhel_aus:8.2::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:2.62.3-2.el8_4.4 ~ * | cpe:/a:redhat:rhel_aus:8.4::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:2.62.3-2.el8_4.4 ~ * | cpe:/a:redhat:rhel_aus:8.4::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | 0:2.62.3-2.el8_4.4 ~ * | cpe:/a:redhat:rhel_aus:8.4::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:2.62.3-2.el8_6.4 ~ * | cpe:/a:redhat:rhel_aus:8.6::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | 0:2.62.3-2.el8_6.4 ~ * | cpe:/a:redhat:rhel_aus:8.6::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | 0:2.62.3-2.el8_6.4 ~ * | cpe:/a:redhat:rhel_aus:8.6::appstream | |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:2.62.3-3.el8_8.4 ~ * | cpe:/a:redhat:rhel_eus:8.8::appstream | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.72.0-10.el9_6.1 ~ * | cpe:/a:redhat:enterprise_linux:9::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | 0:2.72.0-8.el9_0.4 ~ * | cpe:/a:redhat:rhel_e4s:9.0::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:2.72.0-8.el9_2.4 ~ * | cpe:/a:redhat:rhel_eus:9.2::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:2.72.0-8.el9_4.4 ~ * | cpe:/a:redhat:rhel_eus:9.4::appstream | |
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 |
II. Public POCs for CVE-2025-46420
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2025-46420 (8)
- 2361963 – (CVE-2025-46420) CVE-2025-46420 libsoup: Memory leak on soup_header_parse_quality_list() via soup-headers.cissue-trackingx_refsource_REDHAT
- 🔗 RHSA-2025:4609 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisoryx_refsource_REDHAT
- 🔗 RHSA-2025:4538 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisoryx_refsource_REDHAT
- 🔗 RHSA-2025:4440 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisoryx_refsource_REDHAT
- 🔗 RHSA-2025:4560 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisoryx_refsource_REDHAT
- 🔗 RHSA-2025:4508 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisoryx_refsource_REDHAT
- 🔗 RHSA-2025:7436 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisoryx_refsource_REDHAT
IV. Related Vulnerabilities
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Netty: RedisArrayAggregator max-elements failure leaves reta - CVE-2026-54876
Client-Side Memory Leak in OCSP Response Checking - CVE-2026-63252
Eclipse Milo 资源管理错误漏洞
V. Comments for CVE-2025-46420
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